Theo Kahler
News Editor
Theo Kahler is the news editor at Runner’s World. He’s a former all-conference collegiate runner at Winthrop University, and he received his master’s degree in liberal arts studies from Wake Forest University, where he was a member of one of the top distance-running teams in the NCAA. Kahler has reported on the ground at major events such as the Paris Olympics, U.S. Olympic Trials, New York City Marathon, and Boston Marathon. He’s run 14:20 in the 5K, 1:05:36 in the half marathon, and enjoys spotting tracks from the sky on airplanes. (Look for colorful ovals around football fields.)
2025 Big’s Backyard Ultra Results
Phil Gore and Sarah Perry notched wins at this year’s race.
Ruth Chepngetich, Marathon World Record Holder, Banned 3 Years for Anti-Doping Violation
Jul 17, 2025.
Galen Rupp After Years-Long Recovery from Injury Cycle: ‘I Had to Relearn How to Run.’
An annual tradition brings a new meaning to carb loading.
The Amazing Stats Behind Conner Mantz’s New American Marathon Record
How far could you run at his pace?
Galen Rupp Finishes 16th at the Chicago Marathon—His First Marathon in 20 Months
Theo Kahler is the news editor at.
Conner Mantz Obliterates the 23-Year-Old American Record at the Chicago Marathon
Mantz ran 4:45 mile pace to break Khalid Khannouchi’s 2002 record by 55 seconds.
The Best Way to Prep for the Chicago Marathon? Eat 4 Slices of Pizza and Sprint as Fast as You Can
Download Your Training Plan.
The American Record in the Men’s Marathon Has Stood for 23 Years. Can Conner Mantz Finally Break It?
Khalid Khannouchi ran 2:05:38 in 2002. At Sunday’s Chicago Marathon, Mantz has his sights set on taking down that record.
The Astonishing Number of Gels We Consume in Marathon Training—And Avoid GI Issues
Sep 15, 2025.
Taylor Swift Wore These Hokas While Writing ‘The Life of a Showgirl’—You Can Grab Them for 20% Off
Turns out the pop star doesn’t just run the charts.
Boston Marathon Cutoff Time Announced: Entrants Must Have Run 4:34 Faster Than Qualifying Mark
Nearly 9,000 runners who ran qualifying times were not accepted to the race.
The Amazing Stats Behind Harry Styles’s Impressive Sub-3 Marathon
The musician finished in the top 5 percent of all finishers at Sunday’s Berlin Marathon.
Harry Styles Runs Under 3 Hours at the Berlin Marathon
The pop star battled the heat in Berlin and ran to a big personal best in his second marathon of the year.
Rai Benjamin Won Gold, Then Was Disqualified, Then Was Reinstated
It was a chaotic 20 minutes after the race, but the American was eventually crowned 400-meter hurdles world champion—officially.
Cole Hocker Disqualified from World Championship 1500 Meters for ‘Jostling’ Violation
The reigning Olympic champion will not compete in the final after a physical last 50 meters of his semifinal heat.
Arm Sleeves, Headbands, and Ice Vests: How Runners Cooled Off at the World Championship Marathon
Athletes used the latest tech—and old school tricks—to grant with the sweltering conditions in Tokyo.
American Susanna Sullivan Went for Glory and Finished Fourth in the World Championship Marathon
Sullivan, a sixth-grade math teacher, ran aggressively in the early stages and led for much of the race.
Geordie Beamish Had His Face Stepped On—but Still Got Up to Qualify for World Steeplechase Final
It was near-disaster for the Kiwi, who fell over a barrier on the final lap.
Surprise! Eliud Kipchoge and Sifan Hassan Are Running the NYC Marathon
Two months after the Sydney Marathon, both legends will race again—this time in the Big Apple.
After 25 Years, ZAP Endurance, the Pro Running Team for ‘Diamonds in the Rough,’ Has Folded
ZAP athlete Ryan Ford was the third American (tenth overall) at the 2025 Boston Marathon.
I Thought a Driver Was Going to Heckle Me on My Run. I’m Still Thinking About What He Said
Finally, an alternative to “Run, Forrest, run!”
Eliud Kipchoge Finishes 9th at 2025 Sydney Marathon
It was the 23rd marathon of the 40-year-old Kenyan’s storied career.
16-Year-Old Phenom Cooper Lutkenhaus Signs Pro Deal With Nike—Its Youngest Track Athlete Ever
Lutkenhaus, who has already run the fourth-fastest 800-meter time by an American, still has two years of high school left.
The Mind-Boggling Stats Behind David Roche and Anne Flower’s Leadville 100 Course Records
Roche bettered his time from last year, while Flower broke a 31-year-old record in her first 100-miler.
Fred Kerley Provisionally Suspended for Alleged Anti-Doping Whereabouts Violation
The bronze medalist in the 100 meters from the Paris Olympics could face a two-year ban if the charge is upheld.
Why TikTok Is Flooded With Track Memes Right Now
Clip that.
The Mind-Boggling Stats Behind Cooper Lutkenhaus’s Unbelievable 800-Meter Race
The 16-year-old phenom ran 1:42.27 at the USATF Outdoor Championships—taking over a second off the previous U18 world record.
A Chronic Disease and Broken Foot Almost Ended His Pro Career. Here’s How Alec Basten Got Back to the Top
After six months of setbacks, the steeplechaser willed his way into the final of the U.S. Championships.
Helen Schlachtenhaufen Was a Contender for the World Championship Team. A Bloody Fall Dashed Her Hopes
It was near-disaster for the Kiwi, who fell over a barrier on the final lap.
10 High Schoolers Are Competing at the USATF Championships. Here’s How They’ve Done (So Far)
17-A Part of Hearst Digital Media.
Female Athletes Will Be Tested For the Y Chromosome Ahead of Tokyo World Championships
USATF will administer cheek swabs at this week’s U.S. Track and Field Championships to comply with new requirements.
Marathon World Record-Holder Ruth Chepngetich Suspended After Positive Drug Test
Jul 17, 2025.